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1.
The act of a male forcibly sticking ones fingers in an another males rectal hole.
that moist muffin war was crazy
by Palmetto Aquatics May 11, 2009
 
2.
A term used to confirm/agree to something
Joel: Hey Jon, you coming to band practice saturday?

Jon: You bet I am!

Joel: Moist Muffins!
by Faglips McGee November 10, 2011